regulatoryBody NABARD Grade A Prelims Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
X, Y and Z can do a piece of work in 15, 30 and 20 days respectively. If X works on the first day, Y on the second day and Z works on the third day and again the same process is repeated. How long will it take to complete the work if they work in this manner?
1
12
2
20
3
14
4
11
5
18